package com.thealgorithms.stacks; import static org.junit.jupiter.api.Assertions.assertEquals; import org.junit.jupiter.api.Test; public class MinStackUsingTwoStacksTest { @Test public void testMinStackOperations() { MinStackUsingTwoStacks minStack = new MinStackUsingTwoStacks(); minStack.push(3); minStack.push(5); assertEquals(3, minStack.getMin()); minStack.push(2); minStack.push(1); assertEquals(1, minStack.getMin()); minStack.pop(); assertEquals(2, minStack.getMin()); } @Test public void testMinStackOperations2() { MinStackUsingTwoStacks minStack = new MinStackUsingTwoStacks(); minStack.push(3); minStack.push(5); assertEquals(3, minStack.getMin()); minStack.push(2); minStack.push(1); assertEquals(1, minStack.getMin()); minStack.pop(); assertEquals(2, minStack.getMin()); } }